In message <200410312218.i9VMI5ak001232@herd.plethora.net>, Peter Seebach write
s:
>I'm reloading a machine, and I've newfs'd a disk, copied everything over,
>and run installboot.  Installboot says it is ignoring the MBR on /dev/wd0a,
>which has "invalid magic".  And whatever that means, the NetBSD partition
>isn't bootable; I can point a boot loader at it (Partition Commander, if
>it matters, which can still boot fine to the old disk), and it just does
>nothing at all.  Not even the normal boot loader messages.
>
>Is there any likely connection between the apparently bad MBR for this
>partition, and the boot loader not really working?  If so, what am I
>to do to fix this?  fdisk -c updates the whole disk's boot code, not
>this partition, and I was pretty sure that the entire point of installboot
>was to make the partition bootable.

I have no idea what caused the "invalid MBR" problem, but my REAL problem
is that the boot blocks don't work if /boot is over 32GB past the start of the
disk.  Oops!

-s